基于微流控芯片模型的渗流实验与数值模拟

聂绍凯,刘鹏飞,巴特,陈云敏

Seepage experiment and numerical simulation based on microfluidic chip model

Shao-kai NIE,Peng-fei LIU,Te BA,Yun-min CHEN

表 1 实验芯片模型类型及内部结构参数1)

Tab.1 Geometrical dimensions of different microfluidic chip models considered in present work

芯片模型 $ L $ $ /\mathrm{m}\mathrm{m} $ $W/\mathrm{m}\mathrm{m}$ $D/{\text{μm}}$ $h/{\text{μm}}$ $D/\text{µ}\mathrm{m}$ $ \varepsilon $ 1) 注：Sq为方形排列；St为错开排列；Sq 0.60-500的孔隙率为0.60，微柱直径为 $ 500 $ µm的方形排列芯片模型，其他依此类推，O为孔喉直径，ε为孔隙率. Sq 0.60-500 20 10 500 50 207.0 0.60 Sq 0.60-1000 20 10 1 000 50 414.0 0.60 Sq 0.60-1500 20 10 1 500 50 621.0 0.60 Sq 0.60-2000 20 10 2 000 50 828.0 0.60 St 0.60-500 20 10 500 50 258.5 0.60 St 0.60-1000 20 10 1 000 50 519.7 0.60 St 0.60-1500 20 10 1 500 50 779.5 0.60 St 0.60-2000 20 10 2 000 50 1 039.3 0.60 St 0.54-500 20 10 500 50 207.0 0.54 St 0.54-1000 20 10 1 000 50 414.0 0.54 St 0.54-1500 20 10 1 500 50 621.0 0.54 St 0.54-2000 20 10 2 000 50 828.0 0.54